Wall-paper-trimming machine.



H. L', SBLLENEIT.

WALL PAPER TRIMMING MAGEINE;

APPLICATION FILED JUNE 23, 1909.

' Patented Mar. l, 1910.

2 SHEETS-SHEET l.

' am Jezzry l ceZZ@ H. L. SLLLBNLIT.

WALL PAPEL TRIMMING MACHINE. APPLICATION FILED JUNE 23, 1.909.

950,962.. Patented Mar. 1, 1910.

2 ESTs-SHEET 2.

annum: L]

HENRY L. SELLENEIT, OF CRUKSTON, MINNESUTA.

WALL-PAPER-TRIMMING MACHINE.

Specification of Letters Patent.

Patented Mar. l, MMU.

Application led .Tune 23, 1909. Serial No. 503,893.

To dit whom it may concern:

Be it known that I, HENRY L. SELLENEIT, a citizen of the United States,residing at Crookston, in the county of Polli and State of Minnesota,have invented new and useful improvements in Wall- Paper '1rin'nningMachines, of which the following is a speciiication.

This invention relates to wall paper' trimming machines, and one of theprincipal objects of the same is to provide simple, reliable andetlicient means for trimming the selvage of wall paper to be connectedto the pasting board used by paper' hangers, said trimming means beingadapted to move from end to end of the board after the wall paper hasbeen pasted and placed in position thereon.

r-lnother object of the invention is to provide a moving trimmer upon apasting board and to provide means at one end of the board for movingthe trimmer from end to end of the board, said means being operatedpreferably by a foot treadle.

Still another objectof the invention is to provide a sliding trimmer tobe operated at one end of the board by a foot pedal, a spring beingmounted Aupon one of the shafts of the trimmer for returning the same toits initial position after each operation thereof.

Another object of the invention is to provide a trimming mechanismmounted to move longitudinally over a pasting board in which the rotaryknife of the trimmer is covered by a hood and in which the mechanism formoving the rotary trimmer is geared up to rotate'the outer edge of knifeslightly more rapidly than its sliding movement in order to insure aclean-cut even i when the knife is not very sharp, and also preventmoving of the paper.

rihese and other objects may be attained by means of the constructionillustrated in the accompanying drawings, in which,-

Figure 1 is a side elevation of a wall paper trimmer made in accordancewith my invention. Fig. 2 is a detail view, showing in elevation thetrimmer in position after it has removed the selvage from a length ofpaper and before it has been returned to its initial position by aspring encircling one of the shafts. Fig. 3 is an end view of one sideof the pasting board with the trimmer removed. Fig. e is an enlargedvertical section of the casing for containing the operating mechanism ofthe trimmer, said mechanism being shown in elevation. Fig. 5 is anenlarged side elevation of the same. Fig. 6 is a det-ail perspectiveview of the T -shaped guide for the steel tape.

Referring to the drawings, the numeral 1 designates the pasting boardfor supporting the wall paper, said board being mounted on legs 2 and 3.The board 1 is braced from said legs by inclined brace bars Il. 1t is tobe noted that the pasting board 1 extends out at one side beyond thelegs 2 and 3, as shown more particularly in Fig. B. ln the top of theboard 1 are formed parallel recesses eX- tending from end to end of saidboard, and fitted in said recesses are grooved guides 5, 6, said guidesbeing practically flush with the surface of the board. board is a guidebar 7, said guide bar being secured in a longitudinal recess in theboard l and extending from end to end of said board. Formed with orsecured to the guide bar 7 is a rack bar 8 which also extends from endto end of the board in said longitudinal recess and is provided with cogteeth on the underside thereof.

The base plate to which the trimmer' is connected comprises the faceportion 9 having an inwardly ext-ending iiange 1() provided with adownwardly extending portion 11 adapted to slide in the guideways 6 atthe top of the board. Underneath the board the base plate is providedwith a slot 12, and at the inner end of said plate guide members 13 areprovided which engage the guide bar 7, as shown more particularly inFig. 4. 1

The casing lll for containing the operating mechanism for the trimmer isconnected to the base plate 9, said casing comprising inner and outermembers spaced apart and provided with bolt lugs 15, by means of whichthe two members can be secured together. Journaled near the upper end ofthe casing is a shaft 16 having secured to its outer end a disk cutter17, the beveled edge of which is disposed within the guideway 5. A hoodor cover 18 incloses the upper portion of the cutter, said hood beingsecured to the top of the casing'l. Carried by the shaft 16 is a pinion19 which meshes with a similar pinion 2O` mounted on a stub shaft 21journaled in the casing 14. A large gear `wheel 22' is mounted 0n a stubshaft` 23 Underneath the' journaled in the casing, and said gear wheelmeshes with the pinion 20 at the upper side and with a similarl pinion24 mounted on a shaft 25 journaled in the easing and provided with anextension 26 journaled in a bracket 27 extending upward from the backportion of the casing. Mounted on the eX- tended portion 26 of the shaft25 is a large gear wheel 28 which engages the cogs of the rack bar 8.The base plate 9 carries a buiifer 29 mounted on a bracket 30, and astop 31 is connected to the pasting board l by means of a suitable clamp32 and a binding screw 33, said buffer adapted to come into contact withthe stop 31 when the trimmer is returned to its initial position. Aspring 34 is connected at one end to one of the spokes of the gear wheel22, while the other end of said spring is connected to the casing 14,said spring encircling the shaft 23 at the inner side of the gear wheel22. Connected to the underside of the base plate 9 is a detachable steeltape or belt 35, the opposite end of said' tape after passing over anidler 35a being connected to a large wheel 36 having a grooved periphery37, said wheel 'being journaled upon a bracket 38 secured to the leg 3.The hub of the wheel 36 has connected to it a small grooved wheel andconnected to said wheel is a cord or wire band 39 which passes over anidler 40 mounted at the side of the leg 3. The end of the cord 39 isconnected to a lug 41 mounted on a sliding plate 42 having a foot pedal43 formed thereon. The plate 42 is mounted in guides 44 secured to theleg 3. Secured underneath the tape 35 at the trimmer end is a T-shapedguide 35h, the vertical rib 35c of which travels in a slot in the guidebar 7 and in a slot in the base plate 9.

The operation of my invention may be briefly described as follows In theinitial position of the trimmer the spring 34 is but slightly wound up,and when the paper is arranged upon the board with its selvage in linewith the guide 5 the knife 17 is engaged with that end of the paper.rfhe operator then goes to the opposite end of the table, and places hisfoot upon the pedal 4-3, and by moving said pedal downward the wheel 36is rotated to wind up the tape 35 thereon and to move the trimmer tothat end of the table, the spring 34 being wound up as the trimmertravels in the guide 5 and severs the selvage from the length of paper.When the foot is removed from the pedal 43 the spring 34 returns thetrimmer to its initial position, and the buier 29 prevents injury to themechanism.

From the foregoing it will be obvious that a wall paper trimmer made inaccordance with my invention can be quickly operated, is not liable toget out of order, is reliable and eiiicient in use, and is not expensiveto manufacture.

I claim l. A wall paper trimming machine comprising a supporting board,a selvage trimmer mounted to move longitudinally over said board,manually operated means for moving said trimmer over the board, and aspring for returning said trimmer to its initial position.

2. A wall paper trimmer comprising a table, a grooved guide mounted insaid table, a rotary trimmer mounted in said guide, mechanism forrotating said trimmer, a casing in which said mechanism is mounted, abelt or cord connected to said casing, a grooved wheel around which saidbelt is passed a foot pedal, and connections between said pedal andwheel for rotating the latter and moving the trimmer from end to end ofthe table.

3. A wall paper trimming machine comprising a board or table, a rotarytrimmer mounted to slide on the table, a belt connected to the trimmer,foot-operated mechanism for moving said trimmer from end to end of thetable, and a spring for returning said trimmer to its initial position.

4. In a wall paper trimming machine, the combination of a board ortable, a rotary trimmer mounted to move from end to end of said table,manually operated means for moving said trimmer from end to end of saidtable, a spring for returning said trimmer to its initial position andmeans for rotating said trimmer at a speed greater than its movementacross the board or table.

5. In a machine of the cha 'acter described, the combination of a boardfor supporting wall paper, a rotary trimmer mounted to move from end toend ot said board, a casing, mechanism tor rotating said trimmer in saidcasing, a band connected to said trimmer, a wheel to which said band isconnected, a cord connected to said wheel, an idler over which said cordextends, a foot pedal, a guide therefor, and means for returning thetrimmer to its initial position aflter each operation.

6. In a machine of the character described, a pasting board or table forsupporting wall paper, guiding means carried by said table, a wall papertrimmer mounted to move in said guides, mechanism for rotating saidcutter, a spring for returning said cutter to its initial position aftereach operation, a band connected to said trimmer, a foot lever, andmeans between said foot lever and said trimmer, whereby the movement ofsaid foot lever carries the trimmer from one end of said board to theother.

In testimony whereof I atiix my signature in presence of two witnesses.

HENRY L. SELLENEIT.

Witnesses ONESIME MERCIL, Jr., A. M. CHILDS.

